参考词典中a的常规释义:
基本释义
- art. [非特指的]一[个],每一,同一,第一,字母A, A字形
常用短语
- a bit

一点儿,有点,些许. - a couple of

一对,一双,两三个 - get a line

取得关于...的情报 打听明白(某人或某事) - half a dozen

adj. half dozens 半打,六个 - one at a time

一次一个人 - quite a

相当...的 很有点...的 - spend a penny

上厕所 旧时英国公厕的自动门须投一便士硬币后方行开启 - strike a blow

(on)给予打击 - take a breath

深深地吸一口气 - take a dare

接受挑战(特指去做危险事或蠢事) - take a dive

突然下降, (市价)暴跌 - take a joke

经得起被人开玩笑 - take a leak

撒尿 - terminus a quo

(辩论等的)出发点, 起点 - throw a fit

大发脾气 大为烦恼 - time and a half

n. 相当于原工资一倍半的加班费 - to a great extent

很大程度上, 非常 - a battery

【电】 A电池组 - a posteriori

【计】 后验的, 凭经验的, 归纳的 - at a low price

【经】 廉价, 低价 - chlorophyll a

【机】 叶绿素a - folie a deux

【医】 感应性精神病 - pull a fast one on

用诡计占上风 - tete a tete

【法】 私下地, 秘密地 - to a lesser extent

在较小程度上 - a few

少数,几个,一些 - a great deal

很多,大量,…得多 - a la carte

a. 照菜单点 ad. 照菜单点 - a la mode

adj.流行的,时髦的,加冰淇淋的 - a little

一些,有点,少许;有点,稍微 - a lot

许多人或物;很多,大量,非常 - a priori

a. 自原因推及结果的,以演绎法的 ad. 自原因推及结果地,以演绎法地 - a trifle

稍微,有点,一点,很少 - after a fashion

勉强,马虎;拙劣地,差劲地,不高明地 - all of a sudden

突然,忽然,蓦然,冷不防 - as a matter of fact

adv.事实上 - at a loss

adv.困惑,亏本地 - at a premium

在票面价值以上;非常珍贵,短缺;很受尊重 - at a time

一次,每次,一下子,曾经,同时 - beat a retreat

鸣金收兵,打退堂鼓,撤退,放弃 - blow a fuse

发脾气,大发雷霆,勃然大怒 - call it a day

今天就到此结束,就干到这里为止,收工 - care a hang

感兴趣,喜欢,介意 - do a job on

损毁,损坏 - draw a bead on

用枪对准,瞄准,注意上,盯上;攻击,抨击,批判;一心想… - draw a blank

找不着,扑空,毫无结果 - explode a bombshell

作惊人之举,发布爆炸性消息 - feel like a million

感觉极好,身体很好 - feel like a million dollars

感到身体状况极佳 特别开心 - for a song

adv.非常便宜地 - for a while

不久,短时间,暂时,一会儿 - forever and a day

极长久地,永久 - go a long way

v. 大有帮助,走了一大段路,采取主动 - grind to a halt

嘎地一声停下来 - hang by a thread

千钧一发,危如累卵,岌岌可危,处于紧急关头 - have a ball

v. 狂欢 - have a fit

v.<口>大吃一惊,大发脾气 - have a good time

过得愉快,玩得痛快 - in a bad way

处于不良状态 - in a big way

adv.强调地,彻底地,大规模地 - in a circle

在原地打转转,毫无进展,停滞不前 (有目的地)以圆周方式运行 - in a flash

瞬间,片刻,一会儿 - in a moment

一会儿,不久,立即,马上 - in a nutshell

简单地,简约地 - in a pig's eye

几乎不,根本不,不可能 - in a sense

adv.在某种意义上 - in a way

adv.在某种程度上,稍稍 - like a shot

adv.飞快地,立刻 - make a face

v.做鬼脸 - make a motion

动一动,打手势;提议,动议 - make a point

获得一分;建立论点,证明论点 - many a

许多 - not by a long sight

差得很远,远不如,根本就不 - of a sudden

突然,忽然,蓦然,冷不防 - once in a while

adv.偶尔 - play a joke on

取笑,捉弄 - play a trick on

捉弄,戏弄,对…玩恶作剧 - pull a face

v. 做鬼脸 - quite a little

很多,相当多 - run a risk

冒险,担风险 - shoot a line

v. 吹牛 - strike a note

留下印象,打动人心 - take a bow

v. 鞠躬,答谢 - take a breather

短暂休息 - take a chance

冒险,投机 - to a fault

adv.过分 - to a man

全体,一致,没有一人例外 - a good deal

许多,大量;…得多 - have a look

看一看 - in a low voice

低声地 - take a look

v.注视 - character-at-a-time printer

单字符打印机 - element of a cone

锥的母线 - element of a cylinder

柱的母线 - line-at-a-time printer

行式打印机,行式印刷机 - page-at-a-time printer

页式打印机,页式印刷机 - a fortiori

更加 - bright as a new penny

光泽鉴人 非常整洁 - drop a line

n. 写信给某人
- a bit
参考例句
- The Congress passed a new bankruptcy law.
国会通过了一项新的破产法。 - A rude,insensitive person;a boor.
乡下人粗鲁的、迟钝的人;乡下佬 - She is a pearl among women.
她是女中的英杰。 - a crime punishable by the gallows.
罪犯被处以绞刑 - It was a torrid summer day.
那是一个炎热的夏日。
- The Congress passed a new bankruptcy law.
英英解释
7个名词解释
- a metric unit of length equal to one ten billionth of a meter (or 0.0001 micron); used to specify wavelengths of electromagnetic radiation
[同] a, angstrom, angstrom unit - any of several fat-soluble vitamins essential for normal vision; prevents night blindness or inflammation or dryness of the eyes
[同] a, antiophthalmic factor, axerophthol, vitamin a
show all ... (
7
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- one of the four nucleotides used in building DNA; all four nucleotides have a common phosphate group and a sugar (ribose)
[同] a, deoxyadenosine monophosphate - (biochemistry) purine base found in DNA and RNA; pairs with thymine in DNA and with uracil in RNA
[同] a, adenine - the basic unit of electric current adopted under the Systeme International d'Unites
[同] a, amp, ampere
[例]- a typical household circuit carries 15 to 50 amps
- the 1st letter of the Roman alphabet
[同] a, letter a - the blood group whose red cells carry the A antigen
[同] a, group a, type a
less ...点击查看……- a metric unit of length equal to one ten billionth of a meter (or 0.0001 micron); used to specify wavelengths of electromagnetic radiation







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